hm strange... I am not sure, why my script does not unload it, here that worked.
I think you must do this:
start the bootmanager from the system-menu.
There, click on the "blacklist module".
Move v4l2_common to the right pane.
Click on "ok" "quit" and reboot.

What do you mean by the boot manager. Is it menu->shutdown-> then what!

Also MPlayer plays *wmv files ok with video and sound.

quote="MU"]hm strange... I am not sure, why my script does not unload it, here that worked.
I think you must do this:
start the bootmanager from the system-menu.
There, click on the "blacklist module".
Move v4l2_common to the right pane.
Click on "ok" "quit" and reboot.

Rebooted
Muppywebcam is in the Multimedia menu but has no icon beside it.
Skype is in the Internet menu under Skype internet telephony.

Ran Skype. Voice test works ok as is. No video is detected.

Found the bootmanager and 4vl2_common on the left and added it to the right as a blacklisted item. Clicked ok and rebooted.
Note, when I checked the 4vl2_common file again in bootmanager, it is listed on BOTH sides of the dialogue box. Is this normal?

In console typed the commands you suggested:
This is the result below.

Mark, I've noticed something strange. When I followed the procedure described above the first time I did it, the 4vl2_common file moved over to the right and I could not see it in the left pane. Also when I typed lsmod in the console, the file 4vl2_common and also the other 4vl1_compat did not show up in the listing. All I've done since is check to see if Skype recognised my webcam and also double checked the blacklisted item. What you see above is the latest test and you can see that the files are back in the list produced by typing Muppywebcam. And also they are again listed in both sides of the blacklisted panes.

OK,
Just rebooted again and went straight into the console and typed Muppywebcam.
Here's the output:-
# Muppywebcam
ERROR: Module gspca does not exist in /proc/modules
ERROR: Module pwc does not exist in /proc/modules
ERROR: Module sn9c102 does not exist in /proc/modules
ERROR: Module videodev does not exist in /proc/modules
ERROR: Module v4l2_common does not exist in /proc/modules
ERROR: Module v4l2_common is in use by videodev
ERROR: Module sn9c102 does not exist in /proc/modules
# /usr/local/xawtv/xawtv: error while loading shared libraries: libXxf86dga.so.1: cannot open shared object file: No such file or directory

no, I am without idea at moment.
We experienced problems, when v4l2 is loaded, so my Muppyscript tries to unload it.
If it cannot be unloaded, it must be forced not to be loaded before.
This is why it should be blacklisted.

Hi Mark,
I'm sure you will find a solution to this and sorry to be such a pest. Please let me know if I can be of assistance to give you any additional feedback.
And thanks for your help so far. Bit by bit I'm discovering how things work in linux but it's a very steep and frustrating learning curve for me. At least my typing speed is improving.
Cheers,
Rick

MU wrote:

no, I am without idea at moment.
We experienced problems, when v4l2 is loaded, so my Muppyscript tries to unload it.
If it cannot be unloaded, it must be forced not to be loaded before.
This is why it should be blacklisted.

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